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From: Gleb Natapov (glebn_at_[hidden])
Date: 2007-08-31 03:07:41


On Fri, Aug 31, 2007 at 08:04:00AM +0100, Simon Hammond wrote:
> On 31/08/2007, Lev Givon <lev_at_[hidden]> wrote:
> > Received from George Bosilca on Thu, Aug 30, 2007 at 07:42:52PM EDT:
> > > I have a patch for this, but I never felt a real need for it, so I
> > > never push it in the trunk. I'm not completely convinced that we need
> > > it, except in some really strange situations (read grid). Why do you
> > > need a port range ? For avoiding firewalls ?
>
> We are planning on using OpenMPI as the basis for running MPI jobs
> across a series of workstations overnight. The workstations are locked
> down so that only a small number of ports are available for use. If we
> try to use anything else its disaster.
>
> Unfortunately this is really an organizational policy above anything
> else and its very difficult to get it to change.
>
>
As workaround you can write application that will bind to all ports that
are not allowed to be used by MPI before running MPI job.

--
			Gleb.